Question

ratio of tsa and lsa of cuboid​

Answer 1

TSA of cube = 6a

2

LSA of cube = 4a

2

Therefore,

TSA:LSA=6

2

:4a

2

=3:2

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Answer 2

Length of the cuboid = l

Breadth of the cuboid = b

Height of the cuboid = h

Total surface area (TSA) = 2(lb+bh+hl)

Lateral Surface Area (LSA) = 2h(l+b)

Ratio of TSA and LSA = 2(lb+bh+hl)/2h(l+b)

TSA/LSA = lb+bh+hl/h(l+b)

TSA/LSA = lb+bh+hl/lh+bh

TSA : LSA = lb+bh+hl : lh+bh